import Vue from 'vue'
import VueRouter from 'vue-router'

import Login from '@/components/Login.vue'
import Home from '@/components/Home.vue'
import Welcome from '@/components/Welcome.vue'
import Users from '@/components/user/Users.vue'
import Rights from '@/components/power/Rights.vue'
import Roles from '@/components/power/Roles.vue'
import Cate from '@/components/goods/Cate'
import Params from '@/components/goods/Params'
import GoodsList from '@/components/goods/List.vue'
import Add from '@/components/goods/Add.vue'
import Order from '@/components/order/Order.vue'
import Report from '@/components/report/Report.vue'

Vue.use(VueRouter)

const router = new VueRouter({
    routes: [
        { path: '/', redirect: '/login' },
        { path: '/login', component: Login },
        { path: '/home', component: Home,
            redirect: '/welcome',
            children: [
                { path: '/welcome', component: Welcome },
                { path: '/users', component: Users },
                { path: '/rights', component: Rights },
                { path: '/roles', component: Roles },
                { path: '/categories', component: Cate },
                { path: '/params', component: Params },
                { path: '/goods', component: GoodsList },
                { path: '/goods/add', component: Add },
                { path: '/orders', component: Order },
                { path: '/reports', component: Report }
            ] }
    ]
})

// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
    // to 将要访问的路径
    // from 代表从哪个路径跳转而来
    // next 是一个函数，表示放行
    //     next()  放行    next('/login')  强制跳转
    if(to.path === '/login') return next()
    // 获取token
    const tokenStr = window.sessionStorage.getItem('token')
    if(!tokenStr) return next('login')
    next()

})

export default router

// const routes = [

// ]

// const router = new VueRouter({
//     routes
// })

// export default router

// 路由模块
// import Vue from 'vue'
// import VueRouter from 'vue-router'

// 安装路由插件
// Vue.use(VueRouter)

// 创建路由实例对象
// const router = new VueRouter({
// 路由规则
//     routes: [

//     ]
// })

// 向外共享路由模块
// export default router
